Made in USA. Melling high performance oil pumps provide dependable performance every time in every application under the toughest RPM conditions. The Melling 10355 high performance oil pump is a standard volume upgrade of the M355. The 10355 features an anodized hard coated aluminum body and cast iron phosphate coated cover for improved pump performance and durability. Adjustable by pass pressure using optional spring. The relief valve has a pressure adjustable screw in plug instead of a cup plug. The oil pump and screen mounting seals are included. Every Melling high performance oil pump is individually tested for pressure and flow under actual engine operating conditions.

The relief valve features a screw in valve plug.

High volume performance upgrade for the M365HV.

Includes optional +20 psi pressure relief spring.

Hard coat anodized body with a cast iron phoshate coated cover.

20% increase in volume over the M355, M365, and 10355.

Uses standard 7/8" diameter bolt on screen.